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6L to 6.6L

Discussion in 'Chevy Trucks' started by EXR, Aug 22, 2009.

  1. EXR

    EXR Senior Member
    Messages: 192

    I really am wondering how my new truck will work this winter. I've owned 2 6L gm's and this is my 1st diesel.

    Anyone else upgrade from the 6L to the 6.6L?
     
  2. Q101ATFD

    Q101ATFD Senior Member
    Messages: 277

    Yep, I upgraded last year from a 6.0L to the Duramax - and love it. I can't say that I noticed a huge increase in plowing performance, but I've always wanted the 6.6L. However, I def noticed the low-end torque.
     
  3. RBRONKEMA GHTFD

    RBRONKEMA GHTFD 2000 Club Member
    Messages: 2,592

    Well said on the low end yorque.

    I went from a 02 with a 6.0 to a 04 with a 6.6. I love it. Reverse is going to suck I am just going to come right out and say it. I notice better fuel economy also. I can go 14 hours straight and burn 3/4 of a tank.
     
  4. EXR

    EXR Senior Member
    Messages: 192

    Will I need to upgrade my alternator? I heard that I should
     
  5. Q101ATFD

    Q101ATFD Senior Member
    Messages: 277

    If you have the plow prep package (RPO code "VYU" on the glove box sticker), you have a 145 amp alternator already - which is good enough.
     
  6. Papi

    Papi Junior Member
    Messages: 5

    I have a 2001 KC2500 HD with a 6 litre gas ( 366 cu). What would be the best plow for doing minimal residential work. I an told a 7' Western is my best bet. The truck has the plow package.

    thx-Papi